@code{fragment} option is set, and no line width is explicitly
specified.
+@item packed
+Produce lines with packed spacing (i.e., @code{packed = ##t} is added
+to the LilyPond snippet).
+
@item linewidth
@itemx linewidth=@var{size}\@var{unit}
Set line width to @var{size}, using @var{unit} as units. @var{unit} is
@item -F @var{filter}
@itemx --filter=@var{filter}
-Pipe snippets through @var{filter}.
+Pipe snippets through @var{filter}. @code{lilypond-book} will
+not --filter and --process at the same time.
Example:
@example
-lilypond-book --filter='convert-ly --from=2.0.0' my-book.tely
+lilypond-book --filter='convert-ly --from=2.0.0 -' my-book.tely
@end example
@item -h
@item -P @var{process}
@itemx --process=@var{command}
Process LilyPond snippets using @var{command}. The default command is
-@code{lilypond}.
+@code{lilypond}. @code{lilypond-book} will not --filter and --process
+at the same time.
@item -V
@itemx --verbose